The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 25, 2012

Filed:

Aug. 04, 2009
Applicants:

Takashi Saji, Kadoma, JP;

Tetsuji Yamashita, Kadoma, JP;

Yoshihiro Mori, Kadoma, JP;

Inventors:

Takashi Saji, Kadoma, JP;

Tetsuji Yamashita, Kadoma, JP;

Yoshihiro Mori, Kadoma, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention includes a voltage clamping circuitfor outputting a voltage signal, which has been clamped to a predetermined voltage, from the drain voltage of a switching element, and a turn-on detection circuitfor detecting the turn-on timing of the switching elementfrom the voltage signal. Thus it is possible to turn on the switching elementat the minimum value of the drain voltage without adding external terminals.


Find Patent Forward Citations

Saji, Takashi. (2012). Energy transmission device and semiconductor device for energy transmission control (U.S. Patent No. 8274802). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8274802

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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